Leon Mk2
| Valve control: component overview |
| 1 - | Duct bracket - 10 Nm |
| 2 - | 20 Nm |
| q | Follow the loosening and tightening order, see the cylinder head: removal and installing → Chapter |
| 3 - | Rocker axle |
| 4 - | 20 Nm + 90° (1/4 turn) further |
| q | Replace. |
| q | Loosen and tighten using the wrench -T20045- |
| q | Follow the loosening and tightening order, see the cylinder head: removal and installing → Chapter |
| 5 - | Cylinder head bolt |
| q | Replace. |
| q | Follow the correct loosening sequence → Anchor |
| q | Follow the correct tightening sequence |
| 6 - | Washer |
| q | For cylinder head bolts |
| q | Insert in cylinder head before fitting bearing caps module |
| 7 - | Cones |
| 8 - | Valve plate spring |
| 9 - | Valve spring |
| 10 - | Valve stem seal |
| q | replace → Chapter |
| 11 - | Valve guide |
| q | testing → Chapter |
| 12 - | Roller rocker arms |
| q | Intake side |
| q | With hydraulic valve follower inserted under pressure |
| q | removing and installing → Chapter |
| q | Do not interchange used roller rocker arms (mark them) |
| q | Check the roller bearing play and the ease of movement |
| 13 - | Roller rocker arms |
| q | Exhaust side |
| q | With hydraulic valve follower inserted under pressure |
| q | removing and installing → Chapter |
| q | Do not interchange used roller rocker arms (mark them) |
| q | Check the roller bearing play and the ease of movement |
| 14 - | Oil seals |
| q | replace → Chapter |
| 15 - | Cylinder head |
| q | Removing and fitting - vehicles equipped with small engine support foot → Chapter |
| q | Removing and fitting - vehicles equipped with large engine support foot → Chapter |
| 16 - | Supply valves |
| q | Checking valves → Chapter |
| q | Valve dimensions → Chapter |
| 17 - | Exhaust valves |
| q | Checking valves → Chapter |
| q | Valve dimensions → Chapter |
| 18 - | O-ring |
| q | Replace. |
| 19 - | Shaft |
| q | For roller rocker arms |
| q | Removing and installing, see roller rocker arms:Removing and installing → Chapter |
| 20 - | 10 Nm |
| 21 - | Screw plug - 10 Nm |
| q | Fit with locking fluid; locking fluid → Parts catalogue |
| 22 - | Shaft |
| q | For roller rocker arms |
| q | Removing and installing, see roller rocker arms:Removing and installing → Chapter |
| 23 - | Bearing shell |
| q | Do not interchange used bearing shells (mark). |
| q | Ensure the correct seating of the retainers on the bearing caps and the cylinder head |
| 24 - | Exhaust camshaft |
| q | check the axial play → Chapter |
| q | removing and installing → Chapter |
| 25 - | Supply camshaft |
| q | check the axial play → Chapter |
| q | removing and installing → Chapter |
| 26 - | Bearing cap module |
| q | Follow the loosening and tightening order, see the cylinder head: removal and installing → Chapter |
|
|
|
|
